You might have noticed that some gas stations occasionally offer specials on unleaded 88 octane gas—also known as E15—which contains 15 percent ethanol. Ethanol is an alcohol that’s derived from corn.

I recommend keeping motion smoothing turned off most of the time, but it's worth enabling for soccer matches to enjoy smoother, more fluid action. I’m PCMag’s home theater and AR/VR expert, and your ...

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